Job , viva , interview questions for textile engineers

The average length of spinnable fibre is called staple length.. If staple length is increase then yarn quality is also increase yes/no... Testing, sorting and mixing bales according to t

Job/Viva /Interview Questions

For Textile Engineers

Job/Viva /Interview Questions

For Textile Engineers

Job/Viva /Interview Questions

For Textile Engineers

3 What process / machine is used after carding?

Ans Draw frame

4 What process is used after draw frame?

Ans Simplex

5 What process is used after simplex?

Ans Ring frame

6 Show the flow chart of carded yarn production

Ans

7 Show the flow chart of combed yarn production

Ans

8 What is the production of blow room?

Ans Lap

9 What is the production of carding machine?

Ans Sliver

10 What is the production of draw frame?

Ans Sliver/Drawing sliver

11 What is the production of simplex?

Ans Roving

12 What is the production of ring frame?

Ans Yarn

13 1 lb(pound) =?

Ans 840 yds=1 Hank=0.4536 kg=453.6 gm=16 ounce(oz)

14 What is the input of blow room?

Ans Bale

15 What is the input of carding machine?

Ans Lap/Now chute feed system is being used

16 What is the input of combing?

Ans Sliver lap and number of doubling is usually 20-24

17 What is the input of simplex?

Ans Drawn sliver, Sliver hank 0.12/0.14/0.16,etc

18 What is the input of ring frame?

Ans Roving/Roving hank may be 0.75/0.80,etc

19 What is fiber fineness?

Ans Fineness is one of the most important parameter determining the yarn quality (Fine orCoarse)

20 How fineness is specified for cotton?

Ans Fineness is specified by micronaire value for cotton

21 The maturity of cotton is defined in terms of the development of cell wall (Yes/no) Ans Yes

22 A fully mature fibre has a well developed thick cell-wall (Yes/no)

26 What is staple length?

Ans The average length of spinnable fibre is called staple length

27 If staple length is increase then yarn quality is also increase (yes/no)

Ans True.

31 What is the minimum strength for a textile fibre?

Ans Approximately 6 CN/tex (about 6km breaking length)

32 What do you know about Presley index =?

Ans Breaking load in Ibs/Bundle weight in mg

33 What is fibre elongation?

Ans Elongation is specified as a percentage of the starting length

34 What is bale management?

Ans Testing, sorting and mixing bales according to the properties of fibre for producing specificgood quality yarn at minimum cost is called bale management

35 When bale mixing is done?

Ans Before the blow room/Before the bales going into blow room

36 What are the basic operations in the blow room?

Ans

I) Opening

II) Cleaning

III) Mixing & blending

IV) Even feed of material to the card

37 What is carding?

Ans Carding may be defined as the reduction of an entangled mass of fibre to a filmy web byworking them between two closely spaced, relatively moving surface clothed with sharp wirepoints

38 Objective of carding

Ans

- To open up the cotton in to single fibre state

- To reduce the number of neps, short fibres

- To produce a thick untwisted rope of fibre called sliver

39 Carding is called the heart/mother of spinning (true/ false)

Ans True

40 What are the main objectives of draw frame?

Ans

- Straightening & parallelization of fibres by drafting & drawing

- Minimization of irregularity by doubling

- Blending & mixing of fibres

- To produce a more uniform sliver of definite wt/yds

41 What are the faults of blow room?

So weight of lap = 13 6 oz/yds

44 For cotton, higher the count, finer the yarn (yes/no)

47 What is the meaning of TPI?

Ans Turns per Inch/Twist per inch

48 What is the ring frame wastage?

Ans Pnewmafil, banda, sweep, hard waste

(ii) Thick & thin places

(ix) Soft yarn

(x) Hard & non elastic yarn

(xi) Rough yarn

51 Over twisted yarn become poor in strength (yes/ no) Ans.Yes

Tenacity = breaking load / mass stress or linear density,

Linear density = mass/unit length

54 What is tensile strength?

Ans Tensile strength = force required to break the specimen/ cross sectional area

55 What is yield point?

Ans The point up to which, a material contains its elasticity is called yield point

56 What are the basic textile materials?

Ans

57 More fibre drawing produces more short fibre & resulted weak yarn (yes/no).

Ans Yes

58 What is twist?

Ans Twist is the spirality of bundle of fibres/ filaments

59 Write down the types of yarn twist

Ans

i “z” or clock wise &

ii “S” or anti clock wise twist

60 Twist increases the strength of yarn (true/ false) Ans True

61 Write down the moisture regain of cotton fibre?

Ans 8.5%

62 What is IPI?

Ans It indicates yarns thick places, thin places and slubs

63 What is count?

Ans Count is a numerical expression which expresses /indicates coarseness or fineness of yarn

Or, count is a number indicating the mass per unit length or the length per unit mass of yarn

64 Different types of measurement

36 inch = 1 yard

2.54 cm = 1 inch

1 Hank=840 yards=1 pound

65 What is yarn twist?

Ans The spiral disposition of the components of thread which is usually the result of relativerotation of the two ends is called yarn twist

66 Rotor yarn is “s” twisted (yes/no)

Ans Yes

67 Ring process yarn is “z” twisted (yes/no)

Ans Yes

68 What is strain?

Ans Strain = elongation / initial length

69 What is the unit of Strain?

Ans No unit

70 What is the meaning of CSP?

Ans Count Strength Product

73 what are the unusable waste in spinning mill?

Ans: (a)dropping-II,(b)flat strips of coarse count,(c)Floor sweeping-II,(d)dust etc

74 HVI(high volume instrument) is a very important m/c of Q.C lab in spinning mill.(yes/no)Ans Yes

75 what tests are done by HVI m/c?

Ans (a)fineness,(b)trash,(c)length,(d)strength,(e)Color

76 How can you determine yarn count in English system?

Ans Count (Ne) =length(yds)/length × weight unit/weight in gm

= (120yds/840yds) × (1lbs or 453.6gm/weight in gm)

=64.8/Weight in gm77.write down the name of count of direct system?

Ans Txe,K tex,D tex,Mili tex,Denier,lb/spyndle, Woolen

78.write down the name of count of indirect system and with details?Ans

Count unit lengt unit mass uses

a English (Ne) 840yds(hank) lb cottonb.Metric (Nm) Km(hank) Kg cottonc.Worsted 560yds (hank) lb worsted

79 what do you mean by one lea?

Ans one lea=120 yds

80 what do you mean by WIRA?

Ans Wool international research association

81.write down the full meaning of some institution?

Ans (a)BSTI = Bangladesh standard and testing institution

(b) ISO = international organization for standardization

(c) BS = British standard

(d) AQL = Acceptable quality level

(e) BCIRA = British cotton industries research association

(f) ITET= institute of textile engineers and technologist

(g)AAMA=American apparel manufacturer association

(h)AAQC=American association of quality control

82 what is the meaning of MIC?

Ans Microgram per inch

83 In direct system which one is fixed (mass/length)?

88 In spinning mill, up to roving the count value is expressed by hank then count (true/false)?Ans True

89 the shape of yarn become round due to twist (yas/no)?

Ans Yas

90 Name the types of fiber?

Ans.normal fiber, thin walled fiber, Dead fibers

91 How can you express fiber fineness?

Ans Weight per unit length

92 beater are responsible for removing almost all of the impurity extructed in the blow room(yes/no)?

Ans Yes

93 Name the last m/c of blow room?

Ans Scutcher

94 what is the meaning of CV%?

Ans Coefficient of variation percentage

95 Where sliver is collected and which form?

Ans In can and coiler form

96 in ring frame where yarn is collected?

Ans Bobbin

97 Name the modern cone winding machine?

Ans Auto-coner machine/Savio orion

98 cotton fiber is dissolved with 70% H2SO4 (yes/no)?

Ans The process by which yarn is made from fiber

102 what is the raw material in spinning?

Ans Fiber

103 what is michonair value?

Ans Micro gram per inch

104 Write down the classification of fiber?

Ans (i) natural, (II) Man made fiber

105 Different between cotton and viscose?

Ans Cotton = Natural fiber, strength increase in wet condition

Viscose = Man made fiber, strength decrease in we condition

106 What is the meaning of AFIS?

Ans Advanced fiber information system

107 what is the ratio between length and width of fiber?

Ans 1000:1

108 Twist and twist direction of yarn affects the fabric structure(True/false)?Ans True

109 what is UR?

Ans UR = uniformity ratio =(50% Spun length/2.5% span length)×100

110 write down the system of yarn count measurement?

Ans (I) Direct system: Tex,Denier

(II)Indirect system: English, matric

111 when fiber consider short?

Ans Length shorter than 0.5 inch or 12.8mm

112 Why yarn preparation is needed?

Ans To increase weaving efficiency

Ans The process of combining several sliver info one

116 which one is best ,combed yarn or carded yarn?

Ans Combed yarn

117 Roving is wind into the bobbin(yes/no) ?

Ans Yes.

118 write down the other name of simplex?

Ans (I)speed frame,(II)Fly frame,(III)Roving frame

119.some

meaning-Ans DCP=Draft change pinion

LCP= Lifter change pinion

PW = poker wheel

TCP = Twist change pinion

120 write down the causes of roving breakage?

Ans (I)Tension variation, (II) irregular roving

121 write down the three types of flyer?

Ans.(I) Spindle mounted flyer,(II) top mounted flyer,(III) closed mounted flyer

122 what is the backbone of the world textile trade?

125 what is the output of comber machine?

Ans Combed sliver

126 what is the output of the ring frame?

Ans Yarn in bobbin form

127 what is the first operation in blow room?

Ans (I) Filament, (II)filament tow , (III)staple.

132 what is the manmade cellulose fiber?

Ans Viscose

133 write some name of natural cellulose fiber?

Ans Cotton, flax, jute, hemp

134 what is bi-component fiber?

Ans Bi-component fibers are synthetic fibers which fibers filament contains two types ofpolymer

135 what is bi- component yarn?

Ans A yarn having two different staple fiber

136 If H-bond present in fiber then fiber gets more strength(yes/no)?

143 Burning smell of cotton is like as burning paper(yes/no)? Ans Yes

144 What is lint and linters?

Ans Then cotton which are get after first time ginning to seeds cotton is called lint and forsecond time ginning of cotton is called linters

145 What is blow room?

Ans The section or line where the compressed bale are converted into uniform lap of particularlength or made suitable for carding by opening, blending or mixing

152 What are the long staple fiber?

Ans Jute, wool, flax, hemp

153 How fiber is form?

Ans

Elements

↓Monomer/molecules/macromolecules

↓Polymer chain

↓Fibrils/micels

↓Fiber

154 What are the requirement of fabric construction?

Ans (I)EPI,(II)PPI,(III)warp count, (IV)weft count

155 What are the factors that determine the yarn properties?

Ans Fiber properties, fiber arrangement, twist per inch

156 What is core spun yarn?

Ans It is a continuous filament polyester core wrapped in cotton fiber

157 Write down the main part of carding machine?

Ans.(I)Doffer,(II)cylinder,(III)taker-in

158 What is swelling?

Ans The change in dimension due to absorbing water or moisture of any textile material istermed as swelling

Swelling=(Swollen dimension-Dry dimension)/Dry dimension

159 Write down the formula of production in Lbs per hour of combing m/c?

163 what is the botanical name of cotton?

Ans Goosypium Herbacum, Goosypium Hirsutum

164 what is ginning?

Ans The procedure by which seeds and cottons are separated from seeds cotton is calledGinning

165 How much trash% in cotton?

Ans Generally 1% to 10%

166 what is blow room waste?

Ans Dropping-II,Dust,filter waste

167 What is carding waste?

Ans Dropping-I, Tacker in waste,Flat strip, motes & flies, sliver waste

168 what is draw frame waste?

Ans Sliver wastage

169 what is the simplex wastage?

Ans Sliver wastage, roving wastage

170 what is the ring frame wastage?

Ans Pneumafil, hard waste, bonda waste, etc

171 what is the comber wastage and waste %?

Ans Noils,(12-18)%

172 what is cleaning efficiency in blow room?

Ans CE% =( trash cotton - trash in lap/trash in cotton )× 100

173 Step cleaner m/c is placed at 45 degree angle (yes/no)/

Ans Yes

174 production of carding m/c?

Ans Production = (Doffer speed × Doffer dia × ∏)/36 (yds/min)

175 Count of direct system?

Ans

176.Count of indirect system?

177 what is model length?

Ans It is the length of group of fibers where the most number of fibers have equal length

178 What is spun length?

Ans It is the term by which we can determined the % of fiber length in case of cotton, wool etc

179 What is staple length?

Ans The average length of spinable fiber is called staple length

** staple length = 0.91 × effective length(U.S.A upland cotton)

180 what is effective length?

Ans It is the term defined as the length of the main bulk of the longer fiber

181 How the amount of twist is expressed?

Ans Twist per inch(TPI) = yarn

Twist per meter (TPM) = roving

Twist per centimeter (TPCM)

182 what is mass stress?

Ans Mass stress = Applied forse/linear density

Unit = CN/tex , gm/tex

183 what is elastic recovery?

Ans Elastic recovery = Elastic extension/total extension

184 what is the modern testing equipment for spinning mill?

Ans.(I)HVI(High volume instrument)

(II)AFIS(Advance fiber information system)

(III)Shirley analyzer = trash%

(IV)Moisture meter = MC%

(V)Moisture testing oven = MR%

185 If MIC value is increased what should be the fineness?

Ans Fineness should be decreased

186 what is pitch?

Ans The distance between adjustment spindles

187 What is the maximum count to be produce in rotor m/c and ring m/c in spinning?

Ans Rotor m/c = not possible to produce more than 40scount

Ring m/c = it is possible to produce about 300scount.

188 what is the feed material in ring and rotor m/c?

Ans Ring m/c = roving

Rotor m/c = drawing sliver

189.what is tex?

Ans Count is the tex system in the weight in grams of 1000m or 1km of yarn

190 How many types of draw frame ?

Ans (I)Breaker draw frame, (II)finisher draw frame

191 what is the output of winding?

Ans Yarn in cone form

192 Natural fibres are hydrophilic in nature? (Yes/No)

Ans Yes

193.What is the types of waste in a spinning mill?

Ans: (i) useable waste (ii) unusable waste

194 the flyer is the essential part of speed frame(yes/no)?

Ans Yes

195.What is neps?

Ans Entanglement protruding fibres or entangled mass of fibres

196 Write down the some name of yarn testing machine

Ans I) Uster evenness tester

II) Uster classimat

III) Uster auto sorter

197 what is the useable waste in spinning mill?

Ans: (a)lap waste,(b) sliver waste,(c)roving waste,(d)bonda waste,(e) pneumafil waste

198 What is fiber migration?

Ans It means fiber distribution into the yarn

199 Number of fibres in the yarn cross-section?

Ans 60-70

200 What is the standard staple length of cotton fibre?

Ans Generally 0.5 inch to 2.5 inch

201 Write some yarn faults which are generally shown?

Ans (I)Thick place, (II) Thin place, (III) Neps, (IV) slub, (V) Hairiness

202 How many class or division of yarn preparation?

Ans (I) Warp yarn preparation, (II) Weft yarn preparation

203 What are the classes of winding machine for package of yarn?

Ans (I) pirn winding m/c, (II) cop winding m/c, (III) spol winding m/c, (IV) Cheese windingm/c, (V) cone winding m/c

204 What are the action of blow room?

Ans (I) Action of opposing spikes

(II) Action of air current

(III) Action of beaters, (IV) Regulating action

205 What is crimp?

Ans The wavy shape of thread/yarn is called crimp

206 How to produce bale?

Ans

Seed cotton

↓Picking

207 Standard MR% &MC% of different fibre

Where, N= Nips per min

S= mm per nipLD= Lap densityNp= Noil%Nh= No of headE= EfficiencyTd= Tension draft

209 Simplex Production/hr

210 Ring Production/day

211 Total Draft =?

Total draft = BD×MD×FDBD=Back draft

MD=Middle draft

FD=Front draft

Viva Q…GMT

1 What is clothing?

Ans Clothing is one of the three basic needs of human being Clothing is used for coveringhuman body or other bodies to fulfill or satisfy the requirements of those bodies with the object

of protection, decoration and identification

2 Why woolen garments used in cooler climate?

Ans The general configuration of wool fibre is helical and this configuration works as a wall forpassing of cold or warm

3 What is design or sketch?

Ans In clothing industry design means determining the shape and cutting patterns of garmentsaccording to it

4 What id basic block or block pattern?

Ans Block patterns are the main or basic patterns which are constructed with definite andstandard body measurement, but they do not possess any style or extra attractiveness or any type

of allowances

5 What is a pattern?

Ans It is the model of all components of garments on a hard paper board

6 Why pattern is produced?

Ans (I) To make a set of templates of different components of garments

(II) To make a large amount of production at a time

(III) To minimize wastage and cost of garments

7 what is working pattern or production pattern?

Ans These are made on the basic of block pattern or basic block Each block pattern is drawn orsketched on the hard paper board with the help of pencil Then the following allowances andpositions are added-

(I) sewing allowance

(II) Trimming allowance

(III) CBL

(IV)CFL

(V) Button attaching position

(VI) Button holing position

(VII) Plate etc

8 What is invoice?

Ans It is one kind of documents which contains the information’s about selling items Normallythere are two types of invoice-

(I) Proforma invoice- preliminary, (II) Commercial invoice-finally

9 Seam line/attaching point is marked by U or V notch? (yes/no)

Ans Yes

10 How grain line is indicated/mentioned in patterns?

Ans By arrow mark

11 What is grain line?

Ans It is the line, which is marked on the patterns of a garment and the line indicates the warpyarn, as a result, when the pattern is placed in the marking paper then the Grain line follow thewarp yarn of fabric

12 Grain line of pattern must be parallel of the fabric? (yes/no)

Ans Yes

13 Define category?

Ans In garments export and import business a definite type of garments is specified by a definitenumber which is called category

14 What is approved sample?

Ans The sample which is approved by the buyer is called approved sample

15 What is counter sample?

Ans The manufacturers produce several numbers of samples following the approved samplewhich is known as counter samples They facility the bulk production or hung on productionfloor

16 What do you mean by allowance?

Ans In case of garments making some additional measurements are added with standard bodymeasurement which is termed as allowances This allowances is 1cm or 1inch.there are two types

of allowance-(I) Trimming allowance (II) Sewing allowances

17 What is back taking?

Ans During sewing we need to start or end it prior to 1cm or after 1cm respectively to secure thesewing end This is termed as back tacking

18 What is bar tacking?

Ans We continue sewing for several times within a vary short distance to increase the load orstrength of that particular portion which is termed as bar taking.e.g- edge of pocket, belt loop,Fly piece etc

19 What is blind stitch?

Ans A particular type of stitch which is not visible from the face side of the garments

20 What do you mean by C.B.L and C.F.L?

Ans C.B.L= center back line, C.F.L= center front line

21 What are disposable garments?

Ans The garments which are used for one time only called disposable garments e.g Medicalgarments

22 What do you mean by Flap?

Ans It’s the part of pocket which covers the pocket opening

23 What is interlining?

Ans A layer of fabric which is used between two layer of fabric to give the particular areadesired shape and to enhance the strength of that particular position which is called interlining.e.g collar, cuff

24.What are the types of interlining?

Ans (I) sewable interlining,(II) fusible interlining

25 What do you mean by lining?

Ans A layer of fabric which is used in the inner side of garments to increase the comfortability

of the garments which is called lining.e.g suits, coats, ladies and babies wear

26 What do you mean by FDI?

Ans FDI= Foreign direct investment These types of investment directly come from foreigncountry

27 What is overlocking or neatening?

Ans The sewing process of cutting edge of the fabric So that the slack yarn cannot be opened

Ans The line of sewing of one or more than one layers of fabric/the line of joining of fabric

31 What do you mean by trimmings or accessories?

Ans Beside fabric the components which are needed to make a complete garments termed astrimmings e.g Button, sewing thread, lining, interning etc

32 What is ticket number?

Ans It indicates the coarseness or fineness of a sewing thread

33 What is L/C?

Ans L/C means letter of credit It is one kind of agreement between buyer and seller

34 What is pattern grading?

Ans Grading means the stepwise increase or decrease of a master pattern piece to create large orsmall size Grading alters the overall size of a design but not its general shape and appearance Ifbuyer requires different sizes, we would have to grade the dimension It may be S.L, X.L andXXL

35 What are the method of grading?

Ans Grading can be apply two method –(I) manual method,(II) computerized method

36 Marker as a guideline for cutting?(yes/no)

Ans Yes

37 What is marker?

Ans Marker is a thin paper which contain all necessary pattern pieces for all sized for a

particular style of garments it’s a representation or drawing of the arrangement of the identifiedmaterials

38 Fabric width and length must be higher than the marker width and length? (yes/no)

Ans Yes

39 Grain line should be parallel to the warp direction in a woven fabric or the Wales in a knittedfabric? (true/false)

Ans True

40 What is formula of marker efficiency?

Ans Marker efficiency= total area of pattern pieces in a marker/total area of marker × 100%

41 The less the fabric wastage, the higher the marker efficiency?(true/false)

Ans True

42 The more the marker length, the higher the marker efficiency? (True/false)

Ans True

43 What do you mean by garments size?

Ans The size of garments can be expressed by two

methods-(I) Alphabetical expression e.g S,M,L,XL,XXL

(II) Numerical expression e.g 38,39,40,41,42(in cm or in inch)

44 Write down the feature of T-shirt?

Ans (I) casual tops, (II) Narrow neck line, (III) Usually short sleeve, (IV) No collar

45 Write down the feature of polo shirt?

Ans (I) Tops, (II) short/long sleeve,(III) collar,(IV) short button placket or neck opening

46 How can you divide all garments?

Ans All types of garments can be divided mainly two groups –(I) Tops part, (II) Bottom part

47 Write down the feature of pull oven / sweater?

Ans (I) warm shirt,(II) long sleeve, (III) waist band, (IV) pull on over head

48 Write down the feature of Tank-loop?

Ans (I) sleeve less pullover, (II) used over a shirt (III) warm shirt (IV) waist band, (V) pull onover head

49 Write down the feature of cardigan?

Ans (I) Open front, (II) Fastened with a zip or button, (III) waist band

50 What do you mean by CAD?

Ans CAD means computer aided design: In apparel industry CAD systems are mainly used forgarments design, pattern preparation, pattern grading and marker marking

51 What do you mean by CAM?

Ans CAM means computer aided manufacturing It includes computerized sewing machines,fabric spreading machines, cutting systems

52 Write some important meaning?

Ans CM= Cost of making

CMT= Cost of making with trimmings

FOB= Freight on boat

C & F= Cost and freight

CIF= cost, insurance and freight

L/C= letter of credit

53 What is cloth spreading/laying?

Ans To spread cloth as determined by needed quantity as per marking/ the smooth laying out offabric in superimposed layer of specified length

54 What do you mean by fabric cutting?

Ans To cut the cloth according to marker of patterns for sewing

55 What are the methods of fabric cutting?

Ans (A) Manual method

- Straight knife cutting

- Water jet cutting

- Leaser beam cutting

- Plasma torch cutting

56 What do you know about fusible interlining?

Ans The interlining which is attaching to the garments component by the application oftemperature and pressure is called fusible interlining

57 How fusible interlining is manufactured?

Ans By using a resin coating of thermoplastic materials on a piece of fabric

58 For symmetrical fabric marker efficiency is high and less efficiency for asymmetricalfabric? (True/false)

61 What do you know about symmetrical fabric?

Ans Fabric which can retain the same appearance in case of turning in 180° angle calledsymmetrical fabric e.g solid dyed fabric

62 What do you know about the asymmetrical fabric?

Ans Asymmetrical fabric is those which can not retain the same appearance while turning in180° angle E.g pile fabric, brushed fabric etc

63 What are the methods of marker making?

Ans (I) manual, (II) computerized

64 What are the wastage of marker?

Ans (I) inside wastage

(II) Outside wastage

-Ends of ply losses (2-4) inch

-Loss of fabric ends

Ans The process of joining of fabric by the use of needle and sewing thread is called sewing

67 What are the basic components of sewing?

Ans

 Needle

 Throat plate

 Pressure foot

 Feed dogs

 Sewing thread and fabric

68 Write some name of sewing defects?

Ans

 Seam pucker

 Broken or open stitch

 Staggered stitch

 Slipped or skipped stitch

 Vertical stitch density

69 What do you mean by seam puckering?

Ans Stitching with unwanted gathering

70 What do you mean by pressing and Finishing?

Ans The process by which the unwanted crease and winkles are removed from the garments andthe outlook of the garments is improved as well

71 Which iron is used for industrial purposes?

Ans Steam irons

72 What do you mean by label?

Ans Label is an attached component of garment on which important information regarding thegarment are written or printed

73 What do you mean by WWSC and RSWD?

Ans WWSC = wash with similar color

RSWD = Re shape whilst damp

74 Which inspection system widely used in garment industry?

Ans 4-points system

75 What do you mean by TAP and AQL?

Ans TAP = Total acceptable product in a lot

AQL = Acceptable quality limit

76 What do you mean by core spun thread/yarn?

Ans This thread /yarn has continuous filament polyester wrapped in cotton fibres

77 What do you mean by OE & CE zipper?

Ans OE zipper = open end zipper - use in jacket

CE zipper = closed end zipper - use in baggage

78 How many types of accessories?

Ans Two types

(i) Visible accessories e.g button, sewing thread etc

(ii)Invisible accessories e.g

interlining

79 What do you know about synthetic thread/yarn?

Ans This is large group of thread/yarn made mainly from nylon, polyester, rayon and polyamidefilaments or fibres

80 What do you know about lings?

Ans Lings is the measuring unit of button diameter To measure the outer diameter of button weuse lings number

1 ling = 1/40 inch = 0.025 inch = 0.636 mm

81 How many types of label?

Ans There are mainly three types of label

(I) Main label, (II) size label, (III) care label

The all other of label are called sub label

82 What do you know about motif?

Ans The special component which is attached outside of the garment for decorative purposecalled motif e.g company name, trade mark or other symbols can be written on the motif

83 What do you know about dart and pleat ?

Ans (I) dart = part of cloth is folded and stitched to slenderize it

(II) A pleat is a type of fold formed by doubling fabric back upon itself and securing it inplace or the pleat shows the form being folded and stitched

84 How many types of woven fabric?

Ans Three types – (I) yarn dyed (II) solid dyed(s/d) (III) Denim

85 Desizing is mandatory or obvious before washing (True/False) Ans True

86 Why hot ash is necessary?

Ans To clean the desize chemicals (introduction to cold water re-solidify the fat and wax)

87 Why M:L is important?

Ans Without m:l we can not determine the required amount of dyes, chemicals and water duringdyeing, washing and other wet processing That’s why m:l is important

88 What is the mechanism of producing fading effect in garments manufacturing?

Ans Three process of fading mechanism –

(I) Chemical action

(II) Mechanical action

(III) Biological action

89 How many types of mechanical abrasion in garments washing?

Ans Three types –

(I) Garment to garment

(II) Garment to m/c(III) Garment to solid material (e.g stone)

90 How many types of chemical action in garment washing?

Ans Three

types-(I) Regular(Bleach wash)

(II) Irregular(Acid wash)

(III) Local(p.p.spray, p.p.sponge)

91 What is the factor depends on action of washing?

Ans

(I) Time

(II) Temperature

(III) Mechanical abrasion

(IV) Chemical action

92 What do you mean by costing and pricing/?

Ans Costing = Total consumption of garments without profit

Pricing = costing with profit

93 What do you know about back to back L/C opening?

Ans For purchasing fabric and accessories against main L/C

94 What is lead time in garments?

Ans Time start from L/C opening or order receive to garments delivery is called lead time.Lead time — local market = 45 days

Foreign market = 90-120 days

95 What is stock lot?

Ans When goods are made for buyer but not possible to shipping as a result goods are stain atstore This goods are called stock lot

96 How many parts of jacket?

Ans Three parts

(I) Upper part is called shell(II) Inner part is called lining

(III) Middle part is called interlining

97 Write down the other commercial name of interlining?

Ans Padding / wedding/ Bedding / polyfil

98 What types of garments are made from feather?

Ans Overcoats,jackets,pillow,blanket etc

99 What types of feather are used for making garments?

Ans Duck chest feathers

100 What do you mean by quality?

Ans Quality is the difference between the products or It is the goodness or badness in a product

or the feather of a product which satisfy customers or end users

101 If 40 or more than 40 defects are present in 100 square yards then the fabric is considered

as rejected in four point system (True/false)?

Ans True

102 When established garments industry in Bangladesh?

Ans In 1960, REAZ garments

103 What do you mean by garments final inspection?

Ans Garments final inspection is to take decision whether the lot will be passed for shipment or

it will be rejected

104 What are the different types of sampling inspection of garments?

Ans (I) without inspection, (II) 100% inspection, (III) spot inspection, (IV) Arbitary inspection,(V) Acceptance inspection

105 Write down the section of shirt making?

Ans (I) Collar section, (II) Cuff section, (III) Body section

106 What do you mean by PD, WR, WP, and TC?

Ans PD= Plain dyed, WR= Water repellent, WP= Water proof, TC= Tetron & cotton, SD= soliddyed, YD= Yarn dyed

107 What is pattern?

Ans The pieces of thick paper are required in the form necessary to make or style of garments iscalled pattern

108 What do you mean by marking?

Ans Drawing as patterns on the as per style

109 What is consumption?

Ans Needed quantity of cloth as per dz according to marker.

110 What do you mean by assortment?

Ans To determine the quantity of garments according to size and colour

111 What types of style of collar?

Ans (I) One piece (Banded) collar, (II) two piece (banded) collar, (III) Sport open (no bended)collar

112 How many types of cuff according to style?

Ans Four types — (I) Notched, (II) Squared, (III) Rounded, (IV) Pointed

113 How many types of cuff according to construction?

Ans Two types— (I) one piece cuff (The cuff which includes both front & back in one piece ofcloth), (II) Two piece cuff (two piece of cloth)

114 Write down the types of front of a shirt?

Ans (I) Plain, (II) Top center, (III) French front

115 How many types of sleeve?

Ans (I) Long genbol, (II)Sleeve placket, (III) Hemmed sleeve

116 How many types of yoke ?

Ans (I) one piece plain yoke (yoke and back are one piece of cloth),

(II) Two piece single yoke (yoke is separated from the back but yoke is one piece)

(III) Two piece double yoke (yoke is separated from the back but yoke are two piece

of yokes)

117 How many types of pocket style?

Ans (I) plain, (II) Hexagon, (III) Rounded, (IV) squared, (V) Hemmed

118 How many types of bottom style of a shirt?

Ans (I) Straight bottom, (II) Tailed bottom

119 What are the styles or types of packing and folding of shirt?

Ans (I) Stand up (collar is folded to remain at 90° angle from the floor level)

(II) Semi stand up (collar is folded to remain at 45° angle from the floor level)

(III) Flat pack (collar is laid to the floor level at 0° angle)

(IV) Hanger pack (collar is folded for a hanger)

120 What are the styles of shirt?

Ans (I) Basic/regular, (II) Casual/Irregular, (III) Sport shirt, (IV) Blouse

121 What do you mean by numbering in garments?

Ans This process is to put a number on the each part of a garment after cutting So that the samenumbers of each part might be combined at the time of sewing

122 What is sorting?

Ans This process is to sort by size and color after cutting

123 Write down the attention point when marking

(I) Jumping & bias should not occur

(II) Position marking

(III) Must fit the end of the net (one side) line

(IV) Must check the quantity whether all the parts are marked as directed

124 When dies cutting is used?

Ans For interlining cutting

125 What is inlay/sewing allowance?

Ans The fabric which is kept excess of the seam line at the time of sewing is called inlay/sewingallowance

126 Inlay is sewing allowance but sewing allowance is not inlay? (Yes/No) Ans Yes.

127 What do you mean by Gusset (Front facing)?

Ans The part which is folded into the inside of the front This is two types— (I) Upper frontgusset, (II) Lower front gusset

128 What do you know about inlay (sewing allowance)?

Ans The part which is folded into the inside during sewing

129 What is back stitching?

Ans It is stitching to back after finishing the stitch length; it is normally 3-5 stitches

130 What is error part?

Ans When left and right are attached being interchanged with each other or both right or left areattached in case of cuffs and sleeves is called error part

131 Stitching and sewing, which is visible and invisible?

Stitching—visible

Sewing—invisible

132 What is double stitching?

Ans The stitching which has two lines keeping constant distance is called double stitching

133 What do you know about slip out?

Ans When the interlocking stitching stitches do not lock with each other along the sewing linethen it is called slip out

134 What do you mean by floating?

Ans few stitches, which are not passed through the cloth of proper interval during sewing isknown as floating

135 Write down the classification of assortment/packing?

Ans (I) Solid size, solid color, (II) Solid size, assort color, (III) Assort size, solid color, (IV)Assort size, assort color

136 What do you mean by Y-shirt?

Ans Basic shirt/regular shirt/Dress shirt

137 What do you mean by casual/irregular shirt?

Ans various types of style

138 What do you mean by sport shirt?

Ans The shirt which is sporty and needs no neck tie

139 What are the function of clothing?

Ans 1 Protection 2 Decoration 3 Identification

140 What is the requirement of clothing?

Ans 1 Suitability , 2 Appearance, 3 Comfort,4 Aftercare , 5 stability

141 How can we difference between a ladies shirt and a Gents shirt?

Ans Buttons are on the opposite side to that of gents shirt,

i.e., Ladies shirt: Upper front part is right side

Gents shirt: Upper front part is left side

→ Ladies pant: Fly piece is right side

Gents pant: fly piece is left side

142 What is E-Textiles?

Ans E-textile also known as electronic textiles are fabrics that enable computing, digitalcomponents and electronics to be embedded in them

The emphasis of e-textile will be on creating a women textile with embedded copper which willprovide the usual wear comfort and at the same time it will have a circuit with a few chipssunning at few megahertz.

Example: In the field of medical prevention and rehabilitation it becomes highly necessary tocontinuously monitor the patient’s health condition by keeping sensing devices close to the bodyand e-textile can successfully accomplish senior functionality

143 What is the reason for clothing?

Ans: (a) Modesty (b) Protection against adverse climate conditions

(c) Adornment (d) Identification

(e) Aristocratic reason

144 Size of Human?

Ans 1 Men-(i) Short- 5’ 3” to 5’ 7” (ii) Regular- 5’8” to 6’

(iii) Tall- above 6’

2 Women-(i) Short 4’11” to 5’3” (ii) 5’4” to 5’7”

(iii) Tall above 5’7”

145 What is Production pattern/Garments pattern?

Ans When necessary allowances are added to the working patterns, then they are calledproduction pattern

146.What is Working pattern?

Ans The patterns which are made with net dimension of a particular style called workingpatterns

147 What methods are used to make Block patterns?

Ans i Flat method ii Modeling method

148 What are the methods of pattern grading?

Ans (i).Manual grading, (ii) Computer aided grading

149 What is half part grading?

Ans If the increasing or decreasing is done in every sides of a pattern, then it is called half partgrading

150 What is ¼th part grading?

Ans If the increasing or decreasing is done in either lengthwise or widthwise or in any two sides

of a pattern then it is called ¼th part grading

151 What is C.B.L (Center back line)?

Ans Middle point of back neck up to the bottom end in the back part of a shirt

152 What is C.F.L (Center front line)?

Ans Line from the top button to the bottom end in the face side of a shirt

153 What is collar stand or collar band?

Ans It’s the part of a collar in which collar stands in upward direction

Collar stands in upward direction

154 What is cuff?

Ans It is the end point of sleeve of a shirt laying around the wrist

155 What is Ticket number?

Ans It indicates the coarseness or fineness of a sewing thread e.g 3/60, 2/80 etc

156 What is Hemming?

Ans The process of sewing of an edge or border on a piece of cloth, especially a finished edge,

as for a garment or curtain, made by folding an edge under and stitching it down e.g Bottomedge of a shirt

157 What is lead-time?

Ans The time interval between the initiation and the completion of a production process.

158 How design can be developed?

Ans

1 Sketching (Two dimension method): Usually developed on paper

2 Modeling (Three dimension method): Usually developed dummy or live model

3 Computer aided design (CAD): Usually developed using design related software

159 T-shirt Feature

Ans i Refers as casual

ii Garments with narrow neckline,

iii Garments with short or long sleeves,

iv No collar/Cuff, and

v Usually made of cotton

160 Polo-shirt feature

 Used to cover the upper body part (Tops),

 Garments with short/long sleeves,

 Garments with collar and cuffs,

 Short button placket or short chest opening, and

 Made of either 100% cotton or CVC or PC

161 Tank Top feature

 It is a sleeveless pull over,

 It is used over a shirt,

 Used as warm shirt,

 Garments with waist band, and

 It is put on over head

162 Pull over/Sweater feature

 Used as warm shirts,

 Garments with long sleeves,

 Garments with waist band, and

 Put on over head

163 Cardigan feature.

 Open front and fastened with a zipper or button,

 Garments with waist band,

 Used as warm shirts, and

 Usually made of wool/acrylic

164 Shirt feature.

 Upper-body garment with a collar, cuffs and pocket,

 A full vertical opening and fastened with buttons,

 With short or long sleeves, and

 Men’s shirt having lower front part at right hand side and for women it is exactly opposite

165 Sportswear feature

Auto motorcycle racing wear

 Bike wear

 Golf apparel

 Ski wear (winter garments)

 Sports jersey and track tops

 Sports shorts and trousers

 Swim wear and beach wear

 Training and jogging wear

166 What is the function of CAD in apparel industries?

1 Garments design

2 Pattern design & pattern preparation

3 Pattern grading

4 Marker making

167 What is the function of CAM in apparel industries?

Ans 1 Fabric spreading 2 Cutting systems

3 Mover systems 4 Sewing systems

168 What is grading?

Ans Grading means the stepwise increase or decrease of a master pattern piece to create large

or small size Grading alters the overall size of a design but not it̕s general shape & appearance

169 What is the main objective of marker?

Ans i To minimize the fabric wastage

ii To improve the quality of garments

170 What are the main product are produced in garments Industry in Bangladesh?

Ans Woven shirt, T-shirt, trouser, jacket, jogging shuts, sweaters, jersey etc

171 How much currency earn from garments sector in Bangladesh every year?

Ans Above 75%

172 What is quota?

Ans Kind of agreement between the exporter country where importer country mention a specificnumber of garments

173 When established garments industry in Bangladesh?

Ans In 1960, ”REAZ” garments

174 What is the difference between the sewing and stitching?

Ans Sewing=Invisible

Stitching=Visible

175 What is the difference between the yarn and thread?

Ans Yarn= (i) Yarn is used for producing fabrics (Knit & Woven)